---
service: i.root-servers.net
start-period: '2015-01-19T00:00:00Z'
end-period: '2015-01-20T00:00:07Z'
metric: unique-sources
  num-sources-ipv4: 3007849
  num-sources-ipv6: 152543
  num-sources-ipv6-aggregate: 82501